\Dulse\ (d[u^]ls), n. [Cf. Gael. duileasg; duille leaf +
uisge water. Cf. {Whisky}.] (Bot.)
A seaweed of a reddish brown color, which is sometimes eaten,
as in Scotland. The true dulse is {Sarcophyllis edulis}; the
common is {Rhodymenia}. [Written also {dillisk.}]

      The crimson leaf of the dulse is seen To blush like a
      banner bathed in slaughter.              --Percival.